Skip to main content
This species is accepted, and its native range is Alaska to Mexico (Baja California, Chihuahua).
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Annual. Culms erect; 15-60 cm long. Ligule an eciliate membrane. Leaf-blades 1-1.5 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; elliptic; 5-12 cm long; with spikelets clustered towards branch tips. Primary panicle branches 2 -nate. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets cuneate; laterally compressed; 4.5-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; pilose. Floret callus pilose. Floret callus hairs 0.25 length of lemma.
Fertile
Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets cuneate; laterally compressed; 4.5-8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; pilose. Floret callus pilose. Floret callus hairs 0.25 length of lemma.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma; shiny. Lower glume lanceolate; 4.5-8 mm long; 1 length of upper glume; membranous; 1-keeled; 3 -veined. Lower glume primary vein scaberulous. Lower glume apex acuminate. Upper glume elliptic; 4.5-8 mm long; 2.2-2.7 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein scaberulous. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 2-3 mm long; cartilaginous; shiny; without keel; 5 -veined. Lemma apex dentate; 4 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.5 way up back of lemma; geniculate; 4-7 mm long overall; with twisted column.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum punctiform.
Distribution
North America: Subarctic, western Canada, northwest USA, southwest USA, and Mexico.
Reference
Aveneae. Gr Baja Cal 1994.

Native to:

Alaska, Arizona, British Columbia, California, Idaho, Maine, Mexico Northeast, Mexico Northwest, Montana, Nevada, New Mexico, New York, Ohio, Oregon, Utah, Washington, Wyoming, Yukon

Deschampsia danthonioides (Trin.) Benth. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Orcutt, C.R. [s.n.], California K000808944

First published in Pl. Hartw.: 342 (1857)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
  • Gonzáles, P., La Torre, M.I. & Cano, A. (2011). Deschampsia danthonioides (Poaceae - Pooideae) un nuevo registro para la flora Peruana Revista Peruana de Biología 18: 185-187.

Literature

Kew Backbone Distributions

  • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
  • Tropicos.org (2009- continuously updated). Tropicos.org. Missouri Botanical Garden http://www.tropicos.org/.

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0